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Arduino for Beginners: Essential Skills Every Maker Needs by John Baichtal

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3. How to Solder

Solder is an easily meltable alloy of lead and tin used to connect electronic components. Not only does it attach the part to the circuit board, it conducts electricity just like a wire does, allowing the circuit to function as you intended (see Figure 3.1).

Image

FIGURE 3.1 Soldering can look pretty intimidating, but doing it is actually easy. Credit: Wayne and Layne.

Image Solder Joints

Most electronic kits come with a printed circuit board (PCB), shown in Figure 3.2, to which you solder the components. Typically, a board consists of a sheet ...

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